• This paper introduces basic formulas of elastic vibration of conveyor belt and the calculation of its vibration coefficients e. g. cylindrical rigidity and modulus of elasticity.

    本文介绍高速输送带弹性振动基本公式,阐述我国目前常用几种输送带的圆柱刚度杨氏弹性模量等振动系数计算法。

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  • The study indicates that elastic modulus of the fallen rock in the goaf, the rigidity and setting load of support are the major factors that affect roof behaviour.

    研究表明采空区矸石弹性模数支架刚度初阻力影响顶板动态的主要因素

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  • Fabric Stiffness Tester. To determine the bending height, flexural rigidity and bending modulus of fabric by simple procedures and calculation.

    织物硬挺度测试仪,可通过简单操作计算测出织物弯曲高度弯曲刚度、弯曲量。

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  • Fabric by tester dull color. gives degrees operation and simple calculation out the fabric of bending height, bending rigidity, bending modulus. Standard: ERT 50-2 ASTM D1388 bs3356.

    织物硬挺测试仪,可通过简单操作计算织物弯曲高度、弯曲刚度、弯曲模量标准ERT 50 - 2ASTM D1388 BS 3356。

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  • Experimental studies were conducted on concrete shear strength, static and dynamic modulus of rigidity and Youngs modulus.

    混凝土的抗强度静力动力剪切弹性模量实验研究分析

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  • Experimental studies were conducted on concrete shear strength, static and dynamic modulus of rigidity and Youngs modulus.

    混凝土的抗强度静力动力剪切弹性模量实验研究分析

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